Vallejo Metal Color Silver, 32ml.Matt acrylic water based colors, especially formulated for airbrushing. Each color has been meticulously developed in collaboration with model painters who are specialists in fantasy figures and dioramas. Most of the colors in Game Air have their equivalents in Game Color, so that the modeler can combine both formulations and work simultaneously with a brush or an airbrush. Game Air can be used directly or diluted with Vallejo Airbrush Thinner and